T660 Turbo Radiator Installation - ArcticChat.com - Arctic Cat Forum

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post #1 of 88 Old 11-26-2011, 06:27 PM Thread Starter
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T660 Turbo Radiator Installation

This should be saved somehow because it is (after doing it once) easy. The time you take is trying to figure out what to buy and where to put things. I spent too much on some items but I wanted it to be a fool proof modification when I was done. All my headaches working this through is on me so you should have a pretty straight forward install.
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post #2 of 88 Old 11-26-2011, 06:34 PM Thread Starter
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This is what your starting with, the airbox is removed and brackets made from 1 1/2" angle bolted to the front crossmember for the bottom of the radiator mount, the top two brackets are for the top mounting brackets on the radiator. The isolation bushings are used on all mounts, if it's good enough for a motorcycle then the pounding a sled will get will be absorbed
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Last edited by guudasitgets; 11-26-2011 at 06:36 PM.
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post #3 of 88 Old 11-26-2011, 06:40 PM Thread Starter
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Bend the bottom tabs on the radiator slightly to compensate for the mounting angle on the brackets. Take the rubber bushings out before you do this
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Last edited by guudasitgets; 11-26-2011 at 07:59 PM.
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post #4 of 88 Old 11-26-2011, 06:43 PM Thread Starter
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mount the radiator with the fan temp sensor switch to the left side of the sled, this will be the cooler side so you want the switch turning the fan on when that coolant gets too hot
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post #5 of 88 Old 11-26-2011, 06:49 PM Thread Starter
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Install the molded hoses to the barb couplings, the hoses are molded 1" on one end and 3/4" on the other. The radiator is 3/4" ports, the sled is 1 inch so you have to buy about 2 feet of 1 inch rad hose
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Last edited by guudasitgets; 11-26-2011 at 06:52 PM.
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post #6 of 88 Old 11-26-2011, 06:55 PM Thread Starter
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The short molded 1" elbow is for the water pump inlet. The tight formed hose will be needed to clear the exhaust pipe right in front of it
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post #7 of 88 Old 11-26-2011, 07:01 PM Thread Starter
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insulate the hoses with the heat sleeve from Summit Racing. I bought 1" sleeve, it should have been 1 1/4" or 1 1/2", it was kind of tight. In this picture I only have one done, this is because when you fill it you need to burp out the air out of that radiator inlet barb fitting, it is a high point in the system. After these were taken I wrapped it with insulatiion.
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post #8 of 88 Old 11-26-2011, 07:03 PM Thread Starter
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One of the problems in the sleds system and a lot of others is no coolant expansion tank. I used one from Summit that was the smallest they had. And as an added bonus it has a car sized radiator cap and I picked up a 16 lbs. cap same pressure as the sled had.
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post #9 of 88 Old 11-26-2011, 07:10 PM Thread Starter
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This is a view of the front of the sled with the belly pan unscrewed. you can see it fits like it was designed for it. Some people cut holes in the lower front to get air in there, I don't think you need it, there are two four-finger sized slots just in back of the rear of the bumper and plenty of cold air will get in there. Plus I didn't want any more snow in there than I have to.
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post #10 of 88 Old 11-26-2011, 07:12 PM Thread Starter
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Wiring the fan, this is the relay I used, it's just a fog light relay I picked up at Auto Zone
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